y-1=.8(x-1)

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Solution for y-1=.8(x-1) equation:


Simplifying
y + -1 = 0.8(x + -1)

Reorder the terms:
-1 + y = 0.8(x + -1)

Reorder the terms:
-1 + y = 0.8(-1 + x)
-1 + y = (-1 * 0.8 + x * 0.8)
-1 + y = (-0.8 + 0.8x)

Solving
-1 + y = -0.8 + 0.8x

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '1' to each side of the equation.
-1 + 1 + y = -0.8 + 1 + 0.8x

Combine like terms: -1 + 1 = 0
0 + y = -0.8 + 1 + 0.8x
y = -0.8 + 1 + 0.8x

Combine like terms: -0.8 + 1 = 0.2
y = 0.2 + 0.8x

Simplifying
y = 0.2 + 0.8x

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